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" I" the coprer-bit have not been previously tinned, it is heated in a small charcoal stove or otherwise to a dull red, and hastily filed to a clean metallic surface ; it is then rubbed immediately, first upon a lump of sal-ammoniac, and next upon a copper... "
Turning and Mechanical Manipulation: Intended as a Work of General Reference ... - Seite 446
von Charles Holtzapffel - 1843 - 462 Seiten
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The Practical Metal-worker's Assistant ...: With the Application of the Art ...

Oliver Byrne - 1864 - 646 Seiten
...employed. Figs. 295 297 29ti 298. If the copper -bit have not been previously tinned, it is heated in a small charcoal stove or otherwise to a dull red,...strewed with powdered resin contained in the box, Fig. 296, or it is spread on the work with a small spoon ; the copper-bit is held in the right hand, the...
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The Practical Metal-workers' Assistant: ...: With the Application of the Art ...

Oliver Byrne - 1874 - 683 Seiten
...now employed. • Figs. 295 297 298. I" the coprer-bit have not been previously tinned, it is heated in a small charcoal stove or otherwise to a dull red,...strewed with powdered resin contained in the box, Fig. 296, or it is spread on the work with a small spoon ; the copper-bit is held in the right hand, the...
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Knight's American Mechanical Dictionary: A Description of Tools ..., Band 3

Edward Henry Knight - 1877 - 2831 Seiten
...it. red, hastily tiling otf the scale, so as to produce a clean metallic surface, and then rubbing, first upon a lump of sal-ammoniac and next upon a copper or tin plate on which u few drops of solder have been placed, and afterward wiped clean with tow. Various improved...
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The Practical Metal-worker's Assistant: Comprising Metallurgic Chemistry ...

Oliver Byrne - 1878 - 683 Seiten
...employed. Figs. 295 297 298. IT the cop; er-bit have not been previously tinned, it is heated in i small charcoal stove or otherwise to a dull red, and...strewed with powdered resin contained in the box, Fig. 296, or it is spread on the work with a small spoon ; the copper-bit is held in the right hand, the...
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The encyclopædic dictionary. 7 vols. [in 14].

Robert Hunter - 1883
...dull red In a charcoal tire ; hastily tiled to a clean metallic surface; then rubbed immediately u]>on a lump of sal-ammoniac, and next upon a copper or...have been placed. This will completely coat the tool, which may be wiped clean with a piece of tow, and will then be ready for use. (Knight.) copper blende,...
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